Blue Arrow BA-TS-9.0

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*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-10-10

Identity
Brand
Product Number	BATS90
Category	Hobby
Discontinued	Yes
Performance
Torque	6.0V 18.59 oz-in 4.8V 17.16 oz-in Below Average
Speed	6.0V 0.12 sec/60° 4.8V 0.12 sec/60° Average
Physical
Weight	0.32 ozAverage
Dimensions	L 0.88 in W 0.44 in H 0.87 in
Drivetrain
Gears	Plastic
Gear Spline/Teeth	20 T estimate
Rotation Mode	Positional
Rotation/Support	Bushing
Control & Signal
Direction	Clockwise
Rotational Range	80°
Pulse Width	1500-1900 µs
Dead Band	10 µs
Electrical & Environment
Operating Voltage	4.8–6 V
Connectivity
Connector	JR (Universal)
Wire Length	160 mm

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Disclaimer: Most data is sourced from the manufacturer. Some data is sourced from our loyal community and with the help of AI. We aim for accuracy but are not responsible for inaccurate information.

Compatible Hardware

Amazon eBay

*Spec is estimated from brand data.

Class Comparison

Torque	Below Average Stronger than 29% of 521 Micro servos at 4.8V
Speed	Average Faster than 56% of 520 Micro servos at 4.8V
Weight	Average Lighter than 56% of 1074 Micro servos

Performance Analysis

Shaft Power	0.26–0.29 W
Power Density	0.850 W/in³ More power-dense than 23% of 193 Blue Arrow servos
Torque Density	1.9067 oz-in/g Stronger than 31% of 520 Micro servos
Torque-to-Volume Ratio	50.94 oz-in/in³ Denser torque than 33% of 520 Micro servos
Speed-to-Weight	0.92593 (1/sec·g) Faster than 63% of 519 Micro servos
Speed-Torque Trade-off	2.06 Better balanced than 34% of 518 Micro servos
Torque Gain per Volt	6.94%/V More voltage-responsive (torque) than 4% of 381 Micro servos
Speed Gain per Volt	0.00%/V More voltage-responsive (speed) than 1% of 385 Micro servos
Voltage Range Width	1.2 V Wider voltage range than 5% of 150 Blue Arrow servos
Dead-Band-to-Pulse-Width Ratio	0.0250 Finer dead band than 0% of 127 Blue Arrow servos